Perennial herb with prostrate or spreading stems from a woody rootstock; branches with pubescence all around stem, or sometimes with line of short hairs on one side of stem only. Leaf blade narrowly ovate, 30-50(-80) x 10-18(-25) mm, obtuse in basal leaves, crenate or serrate-crenate, sometimes with pair of basal setae, pubescent on both surfaces, especially on nerves, hairs not tubercle-based; petiole up to 15 mm long, pubescent; stipules up to 7 mm long, setaceous, pubescent. Inflorescence of (1)2-4-flowered cymes opposite upper leaves; peduncles 3-5(-20) mm long, pubescent, pedicels up to 3-5(-7) mm long, pubescent. Sepals narrowly lanceolate, up to 8 mm long, pubescent abaxially. Petals yellow, narrowly obovate, up to 8 x 5 mm, with short ciliate claw, androgynophore ±0.5 mm long, with an annulus. Stamens numerous. Ovary cylindrical, densely pubescent; style ±2.5 mm long, slender, glabrous, stigma cuspidate. Capsules up to 90 mm long; fruiting pedicel straight, densely or sparsely pubescent, without longitudinal ridges. Seeds numerous, black, ±1.5 x 1 mm.
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